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The Rothamsted Experiments: Being an Account of Some of the Results of the ...
J B 1814-1900 Lawes
No preview available - 2016
accumulation acre per annum albuminoids ammonium-salts amount of nitrogen amounts of potash animals applied average produce barley Beans Fal bushels carbohydrates carbon carbonic acid cent cereals common turnips comparatively composition consumed Continuous digestible dry matter dry substance Eothamsted estimated exhaustion experiments fallow farmyard manure fattening feeding free nitrogen genous given growth higher increase in live-weight John Bennet Lawes land Lastly leaf Leguminosse leguminous crops less mangels manured plots milk mineral and nitrogenous mineral matter mixed manure nitrate nitrate of soda nitric acid nitro nitrogen per acre nitrogenous manure nitrogenous substance nitrogenous supply nodules obtained percentage of nitrogen period phosphoric acid pigs plants potash proportion quantity rape-cake red clover residue root-crops seasons seen Series sheep soda sodium sodium nitrate soil subsoil sugar sugar-beet superphosphate surface-soil Swedish turnips tion tons total nitrogen total produce Trifolium repens unmanured urea wheat whilst yield of nitrogen